\begin{abstract}
    This is a very long sentence that
    should be wrapped at some point,
    which is the case but is is is is
    line width is not respected because
    of the indentation.
    \begin{another}
        Another is a very long sentence
        that should be wrapped at some
        point, which is the case but is
        is is is line width is not
        respected because of the
        indentation.
        \begin{itemize}
            \item Another is a very
                  long sentence that
                  should be wrapped at
                  some point, which is
                  the case but is is is
                  is line width is not
                  respected because of
                  the indentation.
            \item Another is a very
                  long sentence that
                  should be wrapped at
                  some point, which is
                  the case but is is is
                  is line width is not
                  respected because of
                  the indentation.
                  \begin{itemize}
                      \item Another is
                            a very long
                            sentence
                            that should
                            be wrapped
                            at some
                            point,
                            which is
                            the case
                            but is is
                            is is line
                            width is
                            not
                            respected
                            because of
                            the
                            indentation.
                      \item Another is
                            a very long
                            sentence
                            that should
                            be wrapped
                            at some
                            point,
                            which is
                            the case
                            but is is
                            is is line
                            width is
                            not
                            respected
                            because of
                            the
                            indentation.
                  \end{itemize}
            \item Another is a very
                  long sentence that
                  should be wrapped at
                  some point, which is
                  the case but is is is
                  is line width is not
                  respected because of
                  the indentation.
        \end{itemize}
    \end{another}
    This is a very long sentence that
    should be wrapped at some point,
    which is the case but is is is is
    line width is not respected because
    of the indentation.
\end{abstract}
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